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$311+ Cheap flights from Duluth (DLH) to Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — YYZ
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Duluth to Ontario

Keep the following information in mind while searching for Duluth to Ontario flight deals. Data was last updated October 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$468
(United Airlines)

One-way from

$311
(Delta)
Provider with most accurate pricing for Duluth Intl-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Duluth Intl-Toronto (YTO) flights.
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From Duluth Intl to Ontario
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One-way flight from Duluth Intl to Ontario
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Find flight deals from Duluth to Ontario

Cheapest flights from Duluth to Ontario
Explore the most affordable flight options available from Duluth to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:57 pmDLH - YYZ
1 stop24h 42mUnited Airlines
Sat 12/1312:05 pmYYZ - DLH
1 stop10h 54mUnited Airlines
Deal found 10/27$591
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:57 pmDLH - YYZ
1 stop8h 02mUnited Airlines
Sat 12/132:15 pmYYZ - DLH
1 stop8h 44mUnited Airlines
Deal found 10/27$621
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:57 pmDLH - YYZ
1 stop24h 42mUnited Airlines
Thu 12/186:50 amYYZ - DLH
1 stop8h 38mUnited Airlines
Deal found 10/26$651
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:24 pmDLH - YYZ
2 stops17h 59mDelta
Sat 12/136:30 amYYZ - DLH
1 stop5h 50mDelta
Deal found 10/27$665
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/102:57 pmDLH - YYZ
1 stop5h 24mUnited Airlines
Sat 12/132:15 pmYYZ - DLH
1 stop8h 44mUnited Airlines
Deal found 10/27$676
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:57 pmDLH - YYZ
1 stop8h 02mUnited Airlines
Sun 12/1411:00 amYYZ - DLH
1 stop4h 22mUnited Airlines
Deal found 10/27$681
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:00 amDLH - YYZ
2 stops10h 24mDelta
Fri 12/126:30 amYYZ - DLH
1 stop5h 50mDelta
Deal found 10/27$686
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:00 amDLH - YYZ
2 stops11h 08mDelta
Sun 12/145:15 pmYYZ - DLH
1 stop7h 44mDelta
Deal found 10/27$694
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:57 pmDLH - YUL
1 stop18h 13mUnited Airlines
Fri 12/199:25 amYUL - DLH
1 stop14h 30mUnited Airlines
Deal found 10/28$767
This FlightHub deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:10 pmDLH - YUL
1 stop6h 11mWestJet
Mon 11/107:10 amYUL - DLH
1 stop5h 11mWestJet
Deal found 10/27$846
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:06 pmDLH - YUL
2 stops15h 26mUnited Airlines
Mon 11/107:00 pmYUL - DLH
2 stops16h 38mUnited Airlines
Deal found 10/27$863

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Duluth to Ontario that are best for you.

Fly from

Duluth

Fly to

Ontario

Route

Depart

Return

Price

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

Thu 4/23

3:14 pm-4:05 pm

1 stop23h 51m

Montreal Pierre Elliott Trudeau Intl

Sat 4/25

6:30 am-9:57 pm

1 stop16h 27m

$468

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Wed 3/18

11:26 am-10:54 pm

1 stop10h 28m

Toronto Pearson Intl

Sat 3/21

12:05 pm-9:57 pm

1 stop10h 52m

$521

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Thu 12/11

2:57 pm-4:39 pm

1 stop24h 42m

Toronto Pearson Intl

Sat 12/13

12:05 pm-9:59 pm

1 stop10h 54m

$591

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Fri 12/12

2:57 pm-11:59 pm

1 stop8h 02m

Toronto Pearson Intl

Sat 12/13

2:15 pm-9:59 pm

1 stop8h 44m

$621

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Wed 12/10

4:24 pm-11:23 am

2 stops17h 59m

Toronto Pearson Intl

Sat 12/13

6:30 am-11:20 am

1 stop5h 50m

$665

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Wed 12/10

4:24 pm-11:27 pm

1 stop6h 03m

Toronto Pearson Intl

Fri 12/12

5:15 pm-11:59 pm

1 stop7h 44m

$676

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Wed 12/10

2:57 pm-9:21 pm

1 stop5h 24m

Toronto Pearson Intl

Sat 12/13

2:15 pm-9:59 pm

1 stop8h 44m

$676

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Thu 12/11

7:55 am-9:21 pm

1 stop12h 26m

Toronto Pearson Intl

Sun 12/14

9:00 am-2:22 pm

1 stop6h 22m

$681

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Fri 12/12

2:57 pm-11:59 pm

1 stop8h 02m

Toronto Pearson Intl

Sun 12/14

11:00 am-2:22 pm

1 stop4h 22m

$681

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

Fri 12/12

2:57 pm-10:10 am

1 stop18h 13m

Montreal Pierre Elliott Trudeau Intl

Fri 12/19

9:25 am-10:55 pm

1 stop14h 30m

$767

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 12 results
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Best time to book a flight from Duluth to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Duluth with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Duluth to Ontario
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Duluth to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Duluth to Ontario?

    For a flight from Duluth to Ontario, you will be flying from Duluth Intl. Duluth Intl (DLH) is just 5.8 mi from the center of the city.

  • How long is the flight from Duluth to Region of Ontario?

    Departing from Duluth to Region of Ontario will take you 23h 51m. The distance between Duluth and Region of Ontario is about 885 mi.

  • Can I find deals for flights from Duluth to Ontario that include hotel bookings?

    Yes. In addition to deals on Duluth to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Duluth to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Ontario.

  • Can I find deals for business class flights from Duluth to Ontario?

    Yes. Cheapflights offers flight deals from Duluth to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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